Rear spark plug removal

1993 OLDSMOBILE CUTLASS
261,000 MILES • 6 CYL • FWD • AUTOMATIC
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RDALGLEI
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Hi. I am having difficulty rotating my engine forward to change the rear plugs. The vehicle is in neutral and blocked and the front engine support (dog bone) is dis-assembled. My Hane's manual is very vague and that is all it says to do. The picture in the manual shows a 3.1 mine is a 3.4 DOHC. The picture also shows two dog bones, mine only has one. I have changed other rear spark plugs in different cars and there was no problem. My question is, is there something else I am missing or unaware of?

Thank you,

Randy
Jan 19, 2009 at 1:35 PM
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JACOBANDNICKOLAS
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Hi:

Yep on that car you really need to move the engine as far forward as you can We use blocks of wood to hold the engine forward once the engine mounts have been loosened /removed.

Please let us know if you need anything else to get the problem fixed.

Cheers
Jan 26, 2009 at 4:56 PM
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MUDDUCKK9
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Six cylinder, automatic, 140,000 miles.

I was driving my car when it just lost power and would not move. It would run but it bogged. I had it towed home and looked it over. I replaced the spark plugs, coil pack, sensor module, and some small air hoses. I ran a test on it but there are no fault codes. Now my car will start when cold, still bogs a little but when it gets hot will get worse. If you turn the car off after running it, it will not start at all. Please if you know what is wrong or think might be wrong lead me in the right direction.
Sep 24, 2018 at 1:18 PM (Merged)
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MASTERTECHTIM
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Check fuel filter and fuel pump. You are describing bad fuel pump. Feedback and votes are greatly appreciated.
Sep 24, 2018 at 1:18 PM (Merged)
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MUDDUCKK9
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Fuel filter and pump work fine. Car runs great at 2,000 rpm's. When at idle and when the car gets hot and when you put it in gear it gets very boggy and barely moves at a crawl.

Sep 24, 2018 at 1:18 PM (Merged)
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MASTERTECHTIM
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I am a little confused. At any time will it run fine? Does it bog when you have the pedal to the floor going down the street? Does it bog when going slow but run fine at 2,000 and above?
Sep 24, 2018 at 1:18 PM (Merged)
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MUDDUCKK9
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When I get the rpm's up to about 2,000 the engine sounds fine when parked. When at idle I give it gas it sounds like an air pocket and wants to back fire and bog out then catches enough to run fine. When I put it in gear and give it gas I have to constantly pump the gas pedal to keep the engine running and it sputters and bogs to slowly move.
Sep 24, 2018 at 1:18 PM (Merged)
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CHEVYFANATIC
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Hi, I have been having problems with my car. The spark plugs do not get any spark when trying to turn over. Have replaced all three coil packs, the ICM and now the crankshaft sensor. Does anyone have an idea of what would be causing this or how to fix this? It also will not turn over because of this.
Sep 24, 2018 at 1:18 PM (Merged)
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MASTERTECHTIM
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If your running on all six cylinders and you have fuel pressure. You could have a clogged catalytic converter. You can check this by removing the o2 sensor and run car, if it runs good then your catalytic converter is plugged.
Sep 24, 2018 at 1:18 PM (Merged)
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JDL
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Welcome to the forum, any trouble codes? Check for B+ and ground at the ignition module. B+ is a pink wire, goes hot with key on, ground wire is black.
During cranking, the ignition module controls spark timing with input from the crank sensor. The vehicle cranks good but will not start?
Sep 24, 2018 at 1:18 PM (Merged)
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CHEVYFANATIC
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Cranks over good just has no spark.
Sep 24, 2018 at 1:18 PM (Merged)
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CHEVYFANATIC
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Also, there is no trouble codes. Somehow the battery got unhooked and lost all trouble codes.
Sep 24, 2018 at 1:18 PM (Merged)
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JDL
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https://www.2carpros.com/forum/automotive_pictures/170934_cutlass_ignition_module_1.jpg

The single connector on that one end, is B+ and ground. You need to check that.
Sep 24, 2018 at 1:18 PM (Merged)
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JOHNNY_NJ
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Hello, I have a 1993 Oldsmobile Cutlass Supreme S. 3.1 L and a six cylinder. I need to change the spark plugs, but I am having some trouble. There are six plugs with three in front of engine and three in back. The front three I can get to, but the back three I cannot get to them to change them. What is the best way to access the back three in order to change them? Someone told me that you can move to engine fairly easy in order to get to them. There is two brackets on the front that looks like the engine can move, but I never did that before. Any tips will be helpful. I am sure someone came across before. Thanks
Sep 24, 2018 at 1:18 PM (Merged)
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CHEVYFANATIC
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Okay, will try that then get back.
Sep 24, 2018 at 1:18 PM (Merged)
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SERVICE WRITER
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Yes, you are in the right direction. The two upper torque strut mounts also known as dog bone mounts because of their shape are the ones you need to manipulate. The one bolt needs to be removed that opposes the hole in the cast.


https://www.2carpros.com/forum/automotive_pictures/30961_dogbone_1.jpg

Once you remove the bolt, engine can rock. Keep the car in neutral and push the car and the engine will rock towards the two opposing points that the mounts are connected to. Slip the bolt you removed back through but insert the bolt through the hole in the cast and the engine will be rocked forward for you to hate this job less. ;-)
Sep 24, 2018 at 1:18 PM (Merged)
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CHEVYFANATIC
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On that one single end connector does not have power. Where does the power come from for that end? Has no lead on that end.
Sep 24, 2018 at 1:18 PM (Merged)
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JDL
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That is a two wire connector, wire colors, pink and black? The pink wire is voltage, goes hot with key on, black is ground. My information shows voltage for the pink wire comes from dis fuse- 10 amp.
Sep 24, 2018 at 1:18 PM (Merged)
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CHEVYFANATIC
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Alright, figured out the pink wire was loose before I got the car and had been spliced and fixed that runs pretty good now. But my right rear blinker will not work. Any information on that? I have checked wires and everything on it the right front blinker works so do not know what the problem there is.
Sep 24, 2018 at 1:18 PM (Merged)
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TMJMMILLER
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I am not able to get my hands in to change the back three plugs.
Sep 24, 2018 at 1:18 PM (Merged)
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MYOUNG4
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You must remove the vacuum hoses, but make sure to label the before removal then you have to have a long 3/8 extension to reach the plugs, then you have to buy a extension magnet to remove the plus a swivel might help too.
Sep 24, 2018 at 1:18 PM (Merged)